John Black

Archive for the ‘Hack Day’ Category
  • Google Speed Up Google Analytics with urchin.js 2 CommentsPosted by on June 7, 2007 under Hack Day
    Ever notice that sometimes your sites take a while to load all the way because google’s urchin.js file is taking forever? You may recognize this problem when you see something similar to this in your browsers status bar “Transferring data from google-analytics.com…” Time To Setup? 4 minutes I got tired of seeing that all the time and so I set up an automated cronjob that runs every 12... Read more.
  • Electricity usage monitor 0 CommentsPosted by on June 5, 2007 under Hack Day
    Many houses in the UK have an electricity meter with a light on it that flashes at a rate proportional to how fast electricity is being used (typically 800 times per kilowatt hour). I built a system that took advantage of this to measure our house's electricity usage. We already had a PC (our router) sitting on the floor next to the meter cupboard, so the easiest way to measure the rate was to ... Read more.
  • Amankah Internet Banking Anda 0 CommentsPosted by on under Hack Day
    Bagaimana caranya mengirimkan dokumen digital rahasia dengan cepat, aman dan praktis ke alamat email rekan atau kolega bisnis, yang mungkin sedang berada di Yogya dan tidak memiliki komputer dan terkoneksi ke internet hanya dari warnet ? Kalau filenya di kompres (zip) dan diberi password atau dokumen MS office di beri password dan relatif mudah dibuka oleh orang yang tidak berhak dengan tools pemb... Read more.
  • SQL Injection Walkthrough 0 CommentsPosted by on May 8, 2007 under Hack Day
    The following article will try to help beginners with grasping the problems facing them while trying to utilize SQL Injection techniques, to successfully utilize them, and to protect themselves from such attacks. Introduction When a machine has only port 80 opened, your most trusted vulnerability scanner cannot return anything useful, and you know that the admin always patch his server, we hav... Read more.
  • Steerable 802.11 Cantenna 1 CommentsPosted by on February 10, 2007 under Hack Day
    I love projects that start off with a definite need – however daft it might be ! This one came about because the 802.11 chili can antennas we built were a bit of a pain to mount and point at various 802.11 access points. I thought it would be handy to build a steering platform that allowed the antenna to hunt for the strongest access point itself and zero in ! The antenna (standard issue Chil... Read more.
  • SD/MMC card fits in floppy edge-connector 0 CommentsPosted by on under Hack Day
    You can attach an SD camera memory card to any homebrew DIY project that has a few I/O pins, using ordinary connectors you probably have right now. SD cards are very popular for this purpose, because they only need a few pins (using SPI mode), and can be driven with simple "bit-bashed" SPI serial communications protocol, using free device drivers readily available on the Internet. Until now, th... Read more.
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